泵的性能參數 的英文怎麼說
中文拼音 [bèngdexìngnéngshēnshǔ]
泵的性能參數
英文
technical data required for the pump-
An optimization example showed that the method was valid and satisfied the design requirement of some related structure and performance parameters on the conditions of minimum volume, concordant gears and rotors cavity structure
實例分析證明,該方法可以在保證泵體積小、齒輪腔與轉子腔結構協調的情況下,滿足有關結構和性能參數的設計要求。The key performance parameters are gotten through treating and analyzing the data getting from the cryopump cool - down test
通過對低溫泵降溫過程中相關數據的處理與分析,獲取了低溫泵的各項關鍵性能參數。To research in the area of liquid helium cryopump used in nbi system is meaningful for obtaining better beam transportation efficiency. physical parameters and experience are obtained that are very useful in developing cryopumps
開展中性束注入系統液氦低溫冷凝泵的研究,對獲得優良的束傳輸效率,具有非常重大的意義;並為以後相關應用領域中低溫冷凝泵的設計提供了性能參數和工程經驗。The paper mainly consider the followings : the performance parameter determination of cryopump, heat load determination and heat transfer of large cryopanel, reasonable distribution of heat load, the condition for construct steady flow in small vertical circle pipeline, balance condition for gas and liquid two - phase flow in the connection pipe between cryopanel and dewar, the safety of cryopump
文中探討了低溫泵性能參數的確定;大抽速低溫抽氣面的熱負載的確定及合理分配;冷凝面上豎直圓管內受熱建立穩定流動的條件;冷凝面與杜瓦間的連接管道內氣液「雙相流動」的平衡條件;低溫泵系統運行的安全問題。The paper begins with the reclaiming and using of the remaining heat during the process of yielding the oil and in the electricity plant to study the application of heat pump ' s technology in the oil field and electricity plant. this paper introduces the development and classification of the heat pump, the elementary principle, evaluable target and the p - h chart of the mechanism compressive heat pump ; it points out the necessity to design the computer program of refrigeration medium ' s thermal character, offers the elementary equation, calculating formula, calculating method and the program frame to calculate the refrigeration medium ' s thermal character
本文介紹了熱泵的發展、分類,機械壓縮式熱泵的基本原理、評價指標及常用的p - h圖;指出了設計製冷劑的熱力性質計算機程序的必要性,給出計算製冷劑熱力性質的基本方程、計算公式、計算方法及程序框圖,編制了9種常用製冷劑性能參數計算程序,可直接用於熱泵系統cop及per值的計算。The experiment shows that by changing the velocity coefficient, the separation of boundary layer on pump vane can be controlled, and the performance of pump is improved and its hydraulic efficiency
實驗證明通過改變葉片型線參數方程中的速度系數的取值,可以控制邊界層的分離,進而改善泵的性能,提高其水力效率。In the third chapter, the mathematical models of project system have been established, and simulation has been done on the simulink enviroment of matlab software kits. the simulation focus on the effects of main parameters on the dynamic characteristics of speed control system, and the main parameters include viscosity damp coefficient and friction torque of electrical motor shaft, internal leakage coefficient of pump / motor of hydraulic circuits, gas volume of pressure accumulator, viscosity damp coefficient of cylinder piston and different running building floors, etc. at last, theoretical research effects of the flow and pressure pulsation of pump / motor on car speed and oil volume leakage theory are discussed. the fourth chapter of this thesis concerns the research on the key items about hydraulic power control system according to the ens 1 - 2 and other hydraulic elevator standards
論文第三章針對組成系統的各個模塊進行了機理建模,並且通過matlab軟體中的simulink圖形化模擬環境進行了本課題系統的模擬研究,主要針對影響系統特性的主要參數變化,動態分析系統的輸出特性,在上下行工況中,分析了電機軸系粘性阻尼系數、軸系摩擦力矩、主迴路蓄能器迴路液壓泵馬達內泄漏系數、蓄能器氣體容積、液壓缸柱塞粘性阻尼摩擦系數以及不同運行樓層工況等參數對系統特性的影響;最後對軸向柱塞泵馬達的流量壓力脈動對電梯轎廂速度的影響和蓄能器內油液體積損失機理進行了理論研究。From the blood pressure we can know about the heart ' s ability to pump blood, pulse rate, blood vessel ' s resistance, main artery and big artery ' s elasticity, the blood capacity of whole body, blood ' s physical state, etc. so the mesurement of the blood pressure is very importment to clinic diagnose. how ever, how to get the exact and credible blood pressure parameter by the no invasion and economical method is still the problem of the biomedicine field
心臟的泵血功能、心率、周圍血管的阻力、主動脈和大動脈的彈性、全身的血容量及血液的物理狀態等因素都反映在血壓的指標中,所以血壓的檢測在臨床上具有十分重要的意義。而如何用無創、經濟的方法獲得準確、可靠的血壓參數仍是生物醫學領域不斷在探索的問題。In this paper, some investigation and design as following. have been carried out on er - yb codoped phosphate glass waveguide laser first, three primary performance parameters of er - yb waveguide laser pump threshold power ; output power and slope efficiency have been commulated and analysed theoretically based on er ~ ( 3 + ) - yb ~ ( 3 + ) energy configuration ; rate equation of stable state and transmitting equation. the influences of er - yb ions concentration ; enabled waveguide length ; light dot radius of signal light and pump light ; reflectivity of output lens on three above parameters have been researched
首先,從er ~ ( 3 + ) - yb ~ ( 3 + )能級結構出發,結合激光穩態速率方程與傳輸方程,對鉺鐿波導激光器的三個主要性能參數:閾值功率、輸出功率、斜率效率作了理論計算分析,並研究了鉺、鐿離子濃度、光波導激活長度、信號光與泵浦光光斑半徑比例、輸出耦合鏡反射率對這三個關鍵性能參數的影響。Furthermore, the variation of sbs performance parameters, such as threshold and reflectivity, with parameters of pumping laser and multi - mode optical fiber has been researched by analysis of the numerical solution. experiments have also been operated in ld - pumped solid - state laser system with high - repetition more than 100hz and narrow pulse - width between 15ns and 47ns. the experimental results agree with calculated results by the theoretical model
第三章在重復頻率100hz 、脈寬15 47ns可調的dpl系統中,實驗研究了不同芯徑、長度的光纖在不同能量、脈寬的激光泵浦下sbs閾值、反射率等性能參數等變化趨勢,實驗結果和理論分析一致。Example shows that contact ratio and overlap ratio has the effect on the volume oil and the flow pulsating ratio
本文用實例說明了齒輪嚙合重合系數對齒輪泵性能參數的影響。This paper introduced the experimental results for ground - source water / water heat pump, analyzed the effects of the variety flux on system performance coefficients, which showed that the optimal operation flux is 1000 ( l / h ) and provided the heat exchange rate per unit depth of coil, 45 80 ( w / m ). compared the exchang - heat - curveline in winter with that in summer, through which showed the advantages of gshp in mode of heating and cooling on long - period operation
本文介紹了地源水-水熱泵全年冬夏暖冷聯供的實驗結果以及過渡季地溫的恢復情況,分析了系統流量對熱泵性能參數的影響,獲得了最佳運行流量為1000 ( l / h ) 。並實測得到單位管深換熱率及埋管的有關性能指標。In the charge pump principle section, the principle of linear mode and skip mode are analyzed in detail. the principle of step - up / step - down and the main parameters are also given in there. in sub - block circuit section, the typical circuits including reference, operational amplifier, thermal protection and current limit are introduced
在電荷泵基本理論中,詳細分析了線性( linear )模式、跳周期( skipcycles )模式和具有遲滯控制的跳周期模式;同時也介紹了電荷泵的升壓/降壓工作原理以及主要性能參數及其意義。As external gear pump has the most serious problem of flow pulsation, how to analyze the flow pulsation of gear pump and to optimize the construction parameters of gear pump is especially important for the design and performance improvement of gear pump
在液壓泵中,以外嚙合齒輪泵的流量脈動最大,因此對齒輪泵流量脈動進行分析,以減小流量脈動為目標,對齒輪泵的結構參數進行優化設計,從而為齒輪泵的設計及齒輪泵性能的提高提供理論基礎。Respective simulation of the liquid cooling system and the circulatory system of cooling fluid, which mainly concerns the simulation model of the four major components in the refrigerating system and the water pumps and heat exchangers in the cooling circulatory system. experimental research of the assembled system of liquid cooling system, which yields the system perform parameters of refrigerating capacity and resistance loss in different working conditions. collection and comparison of the experimental data got from simulation and experimental research, which proves simulation and the experiment result are well tallying, hereby, testifies the emulational veracity of the cooling system
主要對製冷系統中四大部件和冷卻液循環系統中的水泵、換熱器進行了數學建模;利用組裝的液冷源系統進行實驗研究,得到不同的工況下系統的製冷量、阻力損失等系統性能參數;對模擬和實驗研究中得到的大量實驗數據進行匯總比較,發現模擬和實驗結果吻合較好,驗證了液冷源系統模擬的準確性。In the application of centrifugal oil pumps, we often meet the problem that is the offset in their performance parameters, or flow rate and pressure in processes ca n ' t satisfy the design and user ' s requirement
在離心油泵生產和使用中,常遇到泵性能參數與設計或用戶要求的存在偏差,或暫時不能滿足流程的流量和壓力要求等問題。According to field testing data analysis, the author find out that buried pipe - in - pipe heat exchanger, which act as a important part of gshp system, can supply sufficient heat flow and its operation performance is better than that of a wind cooled - - heat pump. the author also finds out the self - equilibrium mechanism gshp system operated with buried pipe - in - pipe heat exchanger, which give experiences for design and operation of a gshp system
通過實驗測試與分析,證明了地下埋管換熱器作為地源熱泵系統的重要一環能夠為熱泵提供良好的熱源,使地源熱泵的性能參數優于風冷熱泵,發現了埋管換熱器匹配熱泵運行時獨特的自平衡規律,為設計和運行地源熱泵技術提供了經驗。And the author also indicated the impact of the structure parameters and thus guided the design of the pump
在以上研究基礎上,論文還分析了結構參數對泵的性能的影響,從而指導泵的設計。Both the parameters and the working condition can affect the pump ' s operation and performance directly. it is a useful way to change these parameters to meet the need of the engineering
泵的結構參數和工作狀況對泵的性能有直接的影響,可以通過改變這些參數來改進泵的性能,從而滿足工程實際的需要。Firstly, this paper analyzes the main performance parameters, technical economical indices and optimized dispatching mathematical model of pumping unit
文中首先分析了泵機組裝置的主要性能參數和技術經濟指標以及優化調度的數學模型。分享友人